/Engine/Source/Runtime/Engine/Classes/Engine/MapBuildDataRegistry.h
void AddLevelPrecomputedVolumetricLightmapBuildData ( const [FGuid](API\Runtime\Core\Misc\FGuid) & LevelId, [FPrecomputedVolumetricLightmapData](API\Runtime\Engine\FPrecomputedVolumetricLightmapDa-) * InData )